freecounterpoint: 4-D

Sunday, November 26, 2006

4-D

8 comments:

Mr roT said...: That your buddy Fomenko, AI?; 11/27/2006 1:42 AM
Tecumseh said...: This is for real -- 4-D regular polyhedra.; 11/27/2006 7:10 AM
Mr roT said...: How many Platonic solids are there in dimension n?; 11/27/2006 9:32 AM
Tecumseh said...: You mean, convex regular polytopes, yes? Answer is:

n=2: \infty
n=3: 5
n=4: 6
n>=5: 3

The one in the pic is, I think, the only one that has no analogue in dim 3.; 11/27/2006 10:52 AM
Arelcao Akleos said...: AI, I never knew about the enumeration of these for n=4, or higher. Is there a good reference for these? The image is beautiful, who did it?
By the way, those who say it never freezes snow in Vancouver are full of horsewhacky; 11/28/2006 2:04 PM
Mr roT said...: Wiki to the rescue. AI, did you write this entry or were you busy writing the ones on Coanda?; 11/28/2006 2:34 PM
Tecumseh said...: The photo is from here. And, yes, Wiki has a good article about this.; 11/28/2006 5:35 PM
My Frontier Thesis said...: By the way, those who say it never freezes snow in Vancouver are full of horsewhacky.

Stop being such a little bitch AA. Pass the ranch.; 11/28/2006 8:55 PM

Subscribe to: Post Comments (Atom)